(ATTN: UPDATES throughout with details; ADDS background) SEOUL, Dec. 11 (Yonhap) -- A Korean-American tour operator has been held in North Korea for more than a month after one of his tour members was found to be carrying a computer hard disk that apparently contained sensitive information, a report said Tuesday.

According to Seoul's Kookmin Ilbo newspaper, Kenneth Bae, 44, entered the communist country's northeastern port city of Rajin on Nov. 3 along with five other tourists for a five-day trip.